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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is transformer

Hofincons,

7 8212

in transformers for ex. 100mva and 400kv the secondary current is about 420 amps but for selection of bushing the capacity of selected bushing is 2000A why there is such big difference ?

ABB,

2 4975

why potetial transformer primary ground?

1 3812

what is creepage distance in sub-station?

ABB,

3 9445

what is vibration?

2 4033

how can we make cable shedule for controll wiring ? which details must be required for it.?

L&T,

2144

How can we decide the fualt levels of sub-stations?

Bhel, Enercon, Prakash Industries,

2 7691

what difference between tapping -15% to +5 % and -5% to +15% tap. & how can define HV turns on maximun & minimum tap of power transformer.

2 5022

what is the difference between "Rotary bypass isolation switch and Normal bypass switch" pls share indepth techs?

2064

ohms law is applicable for dc or ac current or for both??? explain it berifly??

3 5976

what will happen if we directly give supply to rotor of a induction motor?

1 4012

Can anyone provide with a SLD for HT panel installation for a 33KV line and distribution end has three 1.5MV transformers. Is it suitable to use OCB or VCB and also provide me the suitable rating and its connection diagram.

TATA,

3354

nwhat are the main Components of servo motor?

BARC,

2090

What are the classification of Servo Motor?

BARC,

4 10650

What are the function of different components of servo motor?

BARC, Parle,

2049


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?

2184


concept of busbar and load dispatching..?

2428


What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?

3693


When semiconductor fuse does save thyristor in each cycle of conduction? Why under voltage setting keep less in SPRS and more in DC drive?

2093


Write the analogous electrical elements in force voltage analogy for the elements of mechanical translational system.

1350


what are the assumptions made in swineburne's test?

2175


features of hbc fuses

2421


How we can determine short circuiting current any plant and for example a plant which power generation is 415 volts and plant load is 500 kw.

1995


how i chosse capacitor bank if my energy meter is 48 kvr? tell me capacitor bank chossen formula?

2340


Is it possible to operate a synchronous 2-poles turbogenerator with a still-in-place faulted bar but electrically disconnected ???? If yes, should I act on the other phases as well ???

1975


What is the basic rule for block diagram reduction technique?

1253


How to calculate capacitor bank size at a load 800kVA.

1712


How relay works, reverse relay, master relay, os relay, earth fault relay and what is its setting point

1809


Atwhat condition reverse power relay will act?

2263


how are reversing the direction of rotation of dc motor

1768